<template>
  <div class="app-container">
    <el-form :inline="true" :model="dataForm" ref="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item label="考试名称" prop="name">
        <el-input v-model="dataForm.title" placeholder="请输入考试名称"></el-input>
      </el-form-item>
      <el-form-item label="课程名称" prop="name">
        <el-input v-model="dataForm.courseName" placeholder="请输入课程名称"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button icon="el-icon-search" type="primary" @click="getDataList()">查询</el-button>
        <el-button icon="el-icon-refresh-left" @click="resetForm()">重置</el-button>
      </el-form-item>
      <el-divider></el-divider>
      <el-form-item>
        <el-button icon="el-icon-plus" type="primary" @click="addOrUpdateHandle()">新增</el-button>
      </el-form-item>
    </el-form>

    <div class="avue-crud">
      <el-table
          :data="dataList"
          border
          v-loading="dataListLoading">
        <el-table-column
            prop="courseName"
            header-align="center"
            align="center"
            label="课程">
        </el-table-column>
        <el-table-column
            prop="title"
            header-align="center"
            align="center"
            label="名称">
        </el-table-column>
        <el-table-column
            prop="fullScore"
            header-align="center"
            align="center"
            label="满分">
        </el-table-column>
        <el-table-column
            prop="startTime"
            header-align="center"
            align="center"
            label="开始时间">
        </el-table-column>
        <el-table-column
            prop="endTime"
            header-align="center"
            align="center"
            label="结束时间">
        </el-table-column>
        <el-table-column
            header-align="center"
            align="center"
            label="操作">
          <template slot-scope="scope">
            <el-button type="text" size="small" icon="el-icon-plus" @click="itemHandle(scope.row.id, scope.row.courseId)">试题
            </el-button>
            <el-button type="text" size="small" icon="el-icon-edit" @click="addOrUpdateHandle(scope.row.id)">修改
            </el-button>
            <el-button type="text" size="small" icon="el-icon-delete" @click="deleteHandle(scope.row.id)">删除
            </el-button>
            <el-button type="text" size="small" icon="el-icon-date" @click="cjHandle(scope.row.id)">成绩管理
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <div class="avue-crud__pagination">
      <el-pagination
          @size-change="sizeChangeHandle"
          @current-change="currentChangeHandle"
          :current-page="pageIndex"
          :page-sizes="[5,10,20,50]"
          :page-size="pageSize"
          :total="totalPage"
          background
          layout="total, sizes, prev, pager, next, jumper">
      </el-pagination>
    </div>
    <!-- 弹窗, 新增 / 修改 -->
    <table-form v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></table-form>
    <item-form v-if="itemVisible" ref="itemForm" @refreshDataList="getDataList"></item-form>
  </div>
</template>

<script>
import {fetchList, delObj} from '@/api/teacher/exam'
import TableForm from './exam-form'
import ItemForm from './item-form'


export default {
  data() {
    return {
      dataForm: {
        title: '',
        courseName:''
      },
      searchForm: {},
      dataList: [],
      pageIndex: 1,
      pageSize: 5,
      totalPage: 0,
      dataListLoading: false,
      addOrUpdateVisible: false,
      itemVisible: false
    }
  },
  components: {
    TableForm,
    ItemForm
  },
  created() {
    this.getDataList()
  },
  methods: {
    resetForm(){
      this.dataForm.title='';
      this.dataForm.courseName='';
      this.$refs['dataForm'].resetFields()
      this.getDataList()
    },
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true
      fetchList(Object.assign({
        current: this.pageIndex,
        size: this.pageSize
      }, this.dataForm)).then(response => {
        this.dataList = response.data.records
        this.totalPage = response.data.total
      })
      this.dataListLoading = false
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id)
      })
    },
    // 新增 / 修改
    itemHandle(id, courseId) {
      this.itemVisible = true
      this.$nextTick(() => {
        this.$refs.itemForm.init(id, courseId)
      })
    },
    // 删除
    deleteHandle(id) {
      this.$confirm('是否确认删除ID为' + id, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(function () {
        return delObj(id)
      }).then(data => {
        this.$message.success('删除成功')
        this.getDataList()
      })
    },
    cjHandle(id) {

      this.$router.push({path: '/t/chengji', query: {id: id}})
    },
    //  导出excel
    exportExcel() {
      this.downBlobFile('/exam/export', this.searchForm, 'exam.xlsx')
    }
  }
}
</script>
